<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>信息</title>
</head>
<body>

<form action="/app1/ss1" method="post">
    姓名：<input type="text" name="username"><br>
    年龄：<input type="number" name="age"><br>
    成绩：<input type="number" name="score"><br>
    <input type="submit">
</form>
</body>
</html>